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<?php
namespace Drupal\views_ui;
use Drupal\Core\Form\FormStateInterface;
use Drupal\views\Plugin\views\wizard\WizardPluginBase;
use Drupal\views\Plugin\views\wizard\WizardException;
use Drupal\views\Plugin\ViewsPluginManager;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
/**
* Form controller for the Views add form.
*
* @internal
*/
class ViewAddForm extends ViewFormBase {
/**
* The wizard plugin manager.
*
* @var \Drupal\views\Plugin\ViewsPluginManager
*/
protected $wizardManager;
/**
* The module handler service.
*
* @var \Drupal\Core\Extension\ModuleHandlerInterface
*/
protected $moduleHandler;
/**
* Constructs a new ViewAddForm object.
*
* @param \Drupal\views\Plugin\ViewsPluginManager $wizard_manager
* The wizard plugin manager.
* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
* The module handler service.
*/
public function __construct(ViewsPluginManager $wizard_manager, ModuleHandlerInterface $module_handler) {
$this->wizardManager = $wizard_manager;
$this->moduleHandler = $module_handler;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static(
$container->get('plugin.manager.views.wizard'),
$container->get('module_handler')
);
}
/**
* {@inheritdoc}
*/
protected function prepareEntity() {
// Do not prepare the entity while it is being added.
}
/**
* {@inheritdoc}
*/
public function form(array $form, FormStateInterface $form_state) {
$form['#attached']['library'][] = 'views_ui/views_ui.admin';
$form['#attributes']['class'] = ['views-admin'];
$form['name'] = [
'#type' => 'fieldset',
'#title' => $this->t('View basic information'),
'#attributes' => ['class' => ['fieldset-no-legend']],
];
$form['name']['label'] = [
'#type' => 'textfield',
'#title' => $this->t('View name'),
'#required' => TRUE,
'#size' => 32,
'#default_value' => '',
'#maxlength' => 255,
];
$form['name']['id'] = [
'#type' => 'machine_name',
'#maxlength' => 128,
'#machine_name' => [
'exists' => '\Drupal\views\Views::getView',
'source' => ['name', 'label'],
],
'#description' => $this->t('A unique machine-readable name for this View. It must only contain lowercase letters, numbers, and underscores.'),
];
$form['name']['description_enable'] = [
'#type' => 'checkbox',
'#title' => $this->t('Description'),
];
$form['name']['description'] = [
'#type' => 'textfield',
'#title' => $this->t('Provide description'),
'#title_display' => 'invisible',
'#size' => 64,
'#default_value' => '',
'#states' => [
'visible' => [
':input[name="description_enable"]' => ['checked' => TRUE],
],
],
];
// Create a wrapper for the entire dynamic portion of the form. Everything
// that can be updated by AJAX goes somewhere inside here. For example, this
// is needed by "Show" dropdown (below); it changes the base table of the
// view and therefore potentially requires all options on the form to be
// dynamically updated.
$form['displays'] = [];
// Create the part of the form that allows the user to select the basic
// properties of what the view will display.
$form['displays']['show'] = [
'#type' => 'fieldset',
'#title' => $this->t('View settings'),
'#tree' => TRUE,
'#attributes' => ['class' => ['container-inline']],
];
// Create the "Show" dropdown, which allows the base table of the view to be
// selected.
$wizard_plugins = $this->wizardManager->getDefinitions();
$options = [];
foreach ($wizard_plugins as $key => $wizard) {
$options[$key] = $wizard['title'];
}
$form['displays']['show']['wizard_key'] = [
'#type' => 'select',
'#title' => $this->t('Show'),
'#options' => $options,
'#sort_options' => TRUE,
];
$show_form = &$form['displays']['show'];
$default_value = $this->moduleHandler->moduleExists('node') ? 'node' : 'users';
$show_form['wizard_key']['#default_value'] = WizardPluginBase::getSelected($form_state, ['show', 'wizard_key'], $default_value, $show_form['wizard_key']);
// Changing this dropdown updates the entire content of $form['displays']
// via AJAX.
views_ui_add_ajax_trigger($show_form, 'wizard_key', ['displays']);
// Build the rest of the form based on the currently selected wizard plugin.
$wizard_key = $show_form['wizard_key']['#default_value'];
$wizard_instance = $this->wizardManager->createInstance($wizard_key);
$form = $wizard_instance->buildForm($form, $form_state);
return $form;
}
/**
* {@inheritdoc}
*/
protected function actions(array $form, FormStateInterface $form_state) {
$actions = parent::actions($form, $form_state);
$actions['submit']['#value'] = $this->t('Save and edit');
// Remove EntityFormController::save() form the submission handlers.
$actions['submit']['#submit'] = [[$this, 'submitForm']];
$actions['cancel'] = [
'#type' => 'submit',
'#value' => $this->t('Cancel'),
'#submit' => ['::cancel'],
'#limit_validation_errors' => [],
];
return $actions;
}
/**
* {@inheritdoc}
*/
public function validateForm(array &$form, FormStateInterface $form_state) {
$wizard_type = $form_state->getValue(['show', 'wizard_key']);
$wizard_instance = $this->wizardManager->createInstance($wizard_type);
$form_state->set('wizard', $wizard_instance->getPluginDefinition());
$form_state->set('wizard_instance', $wizard_instance);
$path = &$form_state->getValue(['page', 'path']);
if (!empty($path)) {
// @todo https://www.drupal.org/node/2423913 Views should expect and store
// a leading /.
$path = ltrim($path, '/ ');
}
$errors = $wizard_instance->validateView($form, $form_state);
foreach ($errors as $display_errors) {
foreach ($display_errors as $name => $message) {
$form_state->setErrorByName($name, $message);
}
}
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
try {
/** @var \Drupal\views\Plugin\views\wizard\WizardInterface $wizard */
$wizard = $form_state->get('wizard_instance');
$this->entity = $wizard->createView($form, $form_state);
}
// @todo Figure out whether it really makes sense to throw and catch exceptions on the wizard.
catch (WizardException $e) {
$this->messenger()->addError($e->getMessage());
$form_state->setRedirect('entity.view.collection');
return;
}
$this->entity->save();
$this->messenger()->addStatus($this->t('The view %name has been saved.', ['%name' => $form_state->getValue('label')]));
$form_state->setRedirectUrl($this->entity->toUrl('edit-form'));
}
/**
* Form submission handler for the 'cancel' action.
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*/
public function cancel(array $form, FormStateInterface $form_state) {
$form_state->setRedirect('entity.view.collection');
}
}
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